• 1. West China Biomedical Big Data Center, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, 610041, P. R. China;
  • 2. Med-X Center for Informatics, Sichuan University, Chengdu, 610041, P. R. China;
  • 3. Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China;
  • 4. West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, P. R. China;
GUO Yingqiang, Email: drguoyq@hotmail.com; YANG Xiaoyan, Email: yangxiaoyan@scu.edu.cn
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Objective To compare the in-hospital outcomes of transapical transcatheter aortic valve replacement (TA-TAVR) for bicuspid aortic valve (BAV) patients and tricuspid aortic valve (TAV) patients. Methods Patients (including BAV and TAV patients) who underwent TA-TAVR with the J-ValveTM in West China Hospital from July 2014 to July 2020 were included consecutively. The clinical outcomes of the patients were analyzed. Results A total of 354 patients were included in the study, 75 in the BAV group and 279 in the TAV group. There were 229 males and 125 females with a mean age of 72.2±6.0 years. No death occurred during the procedure, and the overall technical success rate was 97.7%. The all-cause in-hospital mortality rate was 1.4%. Twenty (26.7%) patients with BAV and 46 (16.5%) patients with TAV had mild or higher perivalvular leaks immediately after the procedure. No patients with BAV required permanent pacemaker implantation postoperatively, while 13 (4.7%) TAV patients required permanent pacemaker implantation, with an overall pacemaker implantation rate of 3.7%. One (1.3%) BAV patient and 7 (2.5%) TAV patients developed acute kidney injury postoperatively. One (1.3%) BAV patient and 1 (0.4%) TAV patient developed perioperative myocardial infarction. The average postoperative hospital stay was 7.6±3.6 d for BAV patients and 8.6±6.1 d for TAV patients. There was no statistical difference in primary or secondary in-hospital outcomes between BAV and TAV patients (P>0.05). Conclusion Compared to TAV patients, BAV patients have similar in-hospital outcomes, with a low incidence of adverse clinical outcomes, which provides preliminary evidence for its implementation in Chinese patients with a high proportion of BAV.

Citation: HUANG Xuan, LIU Lulu, ZHU Tingxi, LI Kehan, GUO Yingqiang, YANG Xiaoyan. Transapical transcatheter aortic valve replacement in bicuspid aortic valve patients: In-hospital outcomes. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2023, 30(8): 1128-1136. doi: 10.7507/1007-4848.202211038 Copy

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